1 /* Dynamic architecture support for GDB, the GNU debugger.
2 Copyright 1998-1999, Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* *INDENT-OFF* */ /* ``typedef (f)();'' confuses indent */
23 /* This file was created with the aid of ``gdbarch.sh''.
25 The bourn shell script ``gdbarch.sh'' creates the files
26 ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
27 against the existing ``gdbarch.[hc]''. Any differences found
30 If editing this file, please also run gdbarch.sh and merge any
31 changes into that script. Conversely, when makeing sweeping changes
32 to this file, modifying gdbarch.sh and using its output may prove
42 #ifndef GDB_MULTI_ARCH
43 #define GDB_MULTI_ARCH 0
46 extern struct gdbarch *current_gdbarch;
49 /* See gdb/doc/gdbint.texi for a discussion of the GDB_MULTI_ARCH
53 /* If any of the following are defined, the target wasn't correctly
57 #if defined (CALL_DUMMY)
58 #error "CALL_DUMMY: replaced by CALL_DUMMY_WORDS/SIZEOF_CALL_DUMMY_WORDS"
63 #if defined (REGISTER_NAMES)
64 #error "REGISTER_NAMES: replaced by REGISTER_NAME"
69 #if defined (EXTRA_FRAME_INFO)
70 #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
75 #if defined (FRAME_FIND_SAVED_REGS)
76 #error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS"
81 /* The following are pre-initialized by GDBARCH. */
83 extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch);
84 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
86 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_ARCHITECTURE)
87 #define TARGET_ARCHITECTURE (gdbarch_bfd_arch_info (current_gdbarch))
91 extern int gdbarch_byte_order (struct gdbarch *gdbarch);
92 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
94 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_BYTE_ORDER)
95 #define TARGET_BYTE_ORDER (gdbarch_byte_order (current_gdbarch))
100 /* The following are initialized by the target dependant code. */
102 extern int gdbarch_bfd_vma_bit (struct gdbarch *gdbarch);
103 extern void set_gdbarch_bfd_vma_bit (struct gdbarch *gdbarch, int bfd_vma_bit);
105 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_BFD_VMA_BIT)
106 #define TARGET_BFD_VMA_BIT (gdbarch_bfd_vma_bit (current_gdbarch))
110 extern int gdbarch_ptr_bit (struct gdbarch *gdbarch);
111 extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit);
113 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_PTR_BIT)
114 #define TARGET_PTR_BIT (gdbarch_ptr_bit (current_gdbarch))
118 extern int gdbarch_short_bit (struct gdbarch *gdbarch);
119 extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit);
121 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_SHORT_BIT)
122 #define TARGET_SHORT_BIT (gdbarch_short_bit (current_gdbarch))
126 extern int gdbarch_int_bit (struct gdbarch *gdbarch);
127 extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit);
129 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_INT_BIT)
130 #define TARGET_INT_BIT (gdbarch_int_bit (current_gdbarch))
134 extern int gdbarch_long_bit (struct gdbarch *gdbarch);
135 extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit);
137 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_LONG_BIT)
138 #define TARGET_LONG_BIT (gdbarch_long_bit (current_gdbarch))
142 extern int gdbarch_long_long_bit (struct gdbarch *gdbarch);
143 extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit);
145 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_LONG_LONG_BIT)
146 #define TARGET_LONG_LONG_BIT (gdbarch_long_long_bit (current_gdbarch))
150 extern int gdbarch_float_bit (struct gdbarch *gdbarch);
151 extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
153 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_FLOAT_BIT)
154 #define TARGET_FLOAT_BIT (gdbarch_float_bit (current_gdbarch))
158 extern int gdbarch_double_bit (struct gdbarch *gdbarch);
159 extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit);
161 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_DOUBLE_BIT)
162 #define TARGET_DOUBLE_BIT (gdbarch_double_bit (current_gdbarch))
166 extern int gdbarch_long_double_bit (struct gdbarch *gdbarch);
167 extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit);
169 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_LONG_DOUBLE_BIT)
170 #define TARGET_LONG_DOUBLE_BIT (gdbarch_long_double_bit (current_gdbarch))
174 typedef CORE_ADDR (gdbarch_read_pc_ftype) (int pid);
175 extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, int pid);
176 extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc);
178 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_READ_PC)
179 #define TARGET_READ_PC(pid) (gdbarch_read_pc (current_gdbarch, pid))
183 typedef void (gdbarch_write_pc_ftype) (CORE_ADDR val, int pid);
184 extern void gdbarch_write_pc (struct gdbarch *gdbarch, CORE_ADDR val, int pid);
185 extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc);
187 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_WRITE_PC)
188 #define TARGET_WRITE_PC(val, pid) (gdbarch_write_pc (current_gdbarch, val, pid))
192 typedef CORE_ADDR (gdbarch_read_fp_ftype) (void);
193 extern CORE_ADDR gdbarch_read_fp (struct gdbarch *gdbarch);
194 extern void set_gdbarch_read_fp (struct gdbarch *gdbarch, gdbarch_read_fp_ftype *read_fp);
196 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_READ_FP)
197 #define TARGET_READ_FP() (gdbarch_read_fp (current_gdbarch))
201 typedef void (gdbarch_write_fp_ftype) (CORE_ADDR val);
202 extern void gdbarch_write_fp (struct gdbarch *gdbarch, CORE_ADDR val);
203 extern void set_gdbarch_write_fp (struct gdbarch *gdbarch, gdbarch_write_fp_ftype *write_fp);
205 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_WRITE_FP)
206 #define TARGET_WRITE_FP(val) (gdbarch_write_fp (current_gdbarch, val))
210 typedef CORE_ADDR (gdbarch_read_sp_ftype) (void);
211 extern CORE_ADDR gdbarch_read_sp (struct gdbarch *gdbarch);
212 extern void set_gdbarch_read_sp (struct gdbarch *gdbarch, gdbarch_read_sp_ftype *read_sp);
214 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_READ_SP)
215 #define TARGET_READ_SP() (gdbarch_read_sp (current_gdbarch))
219 typedef void (gdbarch_write_sp_ftype) (CORE_ADDR val);
220 extern void gdbarch_write_sp (struct gdbarch *gdbarch, CORE_ADDR val);
221 extern void set_gdbarch_write_sp (struct gdbarch *gdbarch, gdbarch_write_sp_ftype *write_sp);
223 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_WRITE_SP)
224 #define TARGET_WRITE_SP(val) (gdbarch_write_sp (current_gdbarch, val))
228 extern int gdbarch_num_regs (struct gdbarch *gdbarch);
229 extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs);
231 #if (GDB_MULTI_ARCH > 1) || !defined (NUM_REGS)
232 #define NUM_REGS (gdbarch_num_regs (current_gdbarch))
236 extern int gdbarch_sp_regnum (struct gdbarch *gdbarch);
237 extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum);
239 #if (GDB_MULTI_ARCH > 1) || !defined (SP_REGNUM)
240 #define SP_REGNUM (gdbarch_sp_regnum (current_gdbarch))
244 extern int gdbarch_fp_regnum (struct gdbarch *gdbarch);
245 extern void set_gdbarch_fp_regnum (struct gdbarch *gdbarch, int fp_regnum);
247 #if (GDB_MULTI_ARCH > 1) || !defined (FP_REGNUM)
248 #define FP_REGNUM (gdbarch_fp_regnum (current_gdbarch))
252 extern int gdbarch_pc_regnum (struct gdbarch *gdbarch);
253 extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum);
255 #if (GDB_MULTI_ARCH > 1) || !defined (PC_REGNUM)
256 #define PC_REGNUM (gdbarch_pc_regnum (current_gdbarch))
260 typedef char * (gdbarch_register_name_ftype) (int regnr);
261 extern char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr);
262 extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name);
264 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_NAME)
265 #define REGISTER_NAME(regnr) (gdbarch_register_name (current_gdbarch, regnr))
269 extern int gdbarch_register_size (struct gdbarch *gdbarch);
270 extern void set_gdbarch_register_size (struct gdbarch *gdbarch, int register_size);
272 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_SIZE)
273 #define REGISTER_SIZE (gdbarch_register_size (current_gdbarch))
277 extern int gdbarch_register_bytes (struct gdbarch *gdbarch);
278 extern void set_gdbarch_register_bytes (struct gdbarch *gdbarch, int register_bytes);
280 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_BYTES)
281 #define REGISTER_BYTES (gdbarch_register_bytes (current_gdbarch))
285 typedef int (gdbarch_register_byte_ftype) (int reg_nr);
286 extern int gdbarch_register_byte (struct gdbarch *gdbarch, int reg_nr);
287 extern void set_gdbarch_register_byte (struct gdbarch *gdbarch, gdbarch_register_byte_ftype *register_byte);
289 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_BYTE)
290 #define REGISTER_BYTE(reg_nr) (gdbarch_register_byte (current_gdbarch, reg_nr))
294 typedef int (gdbarch_register_raw_size_ftype) (int reg_nr);
295 extern int gdbarch_register_raw_size (struct gdbarch *gdbarch, int reg_nr);
296 extern void set_gdbarch_register_raw_size (struct gdbarch *gdbarch, gdbarch_register_raw_size_ftype *register_raw_size);
298 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_RAW_SIZE)
299 #define REGISTER_RAW_SIZE(reg_nr) (gdbarch_register_raw_size (current_gdbarch, reg_nr))
303 extern int gdbarch_max_register_raw_size (struct gdbarch *gdbarch);
304 extern void set_gdbarch_max_register_raw_size (struct gdbarch *gdbarch, int max_register_raw_size);
306 #if (GDB_MULTI_ARCH > 1) || !defined (MAX_REGISTER_RAW_SIZE)
307 #define MAX_REGISTER_RAW_SIZE (gdbarch_max_register_raw_size (current_gdbarch))
311 typedef int (gdbarch_register_virtual_size_ftype) (int reg_nr);
312 extern int gdbarch_register_virtual_size (struct gdbarch *gdbarch, int reg_nr);
313 extern void set_gdbarch_register_virtual_size (struct gdbarch *gdbarch, gdbarch_register_virtual_size_ftype *register_virtual_size);
315 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_VIRTUAL_SIZE)
316 #define REGISTER_VIRTUAL_SIZE(reg_nr) (gdbarch_register_virtual_size (current_gdbarch, reg_nr))
320 extern int gdbarch_max_register_virtual_size (struct gdbarch *gdbarch);
321 extern void set_gdbarch_max_register_virtual_size (struct gdbarch *gdbarch, int max_register_virtual_size);
323 #if (GDB_MULTI_ARCH > 1) || !defined (MAX_REGISTER_VIRTUAL_SIZE)
324 #define MAX_REGISTER_VIRTUAL_SIZE (gdbarch_max_register_virtual_size (current_gdbarch))
328 typedef struct type * (gdbarch_register_virtual_type_ftype) (int reg_nr);
329 extern struct type * gdbarch_register_virtual_type (struct gdbarch *gdbarch, int reg_nr);
330 extern void set_gdbarch_register_virtual_type (struct gdbarch *gdbarch, gdbarch_register_virtual_type_ftype *register_virtual_type);
332 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_VIRTUAL_TYPE)
333 #define REGISTER_VIRTUAL_TYPE(reg_nr) (gdbarch_register_virtual_type (current_gdbarch, reg_nr))
337 extern int gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch);
338 extern void set_gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch, int use_generic_dummy_frames);
340 #if (GDB_MULTI_ARCH > 1) || !defined (USE_GENERIC_DUMMY_FRAMES)
341 #define USE_GENERIC_DUMMY_FRAMES (gdbarch_use_generic_dummy_frames (current_gdbarch))
345 extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch);
346 extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location);
348 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_LOCATION)
349 #define CALL_DUMMY_LOCATION (gdbarch_call_dummy_location (current_gdbarch))
353 typedef CORE_ADDR (gdbarch_call_dummy_address_ftype) (void);
354 extern CORE_ADDR gdbarch_call_dummy_address (struct gdbarch *gdbarch);
355 extern void set_gdbarch_call_dummy_address (struct gdbarch *gdbarch, gdbarch_call_dummy_address_ftype *call_dummy_address);
357 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_ADDRESS)
358 #define CALL_DUMMY_ADDRESS() (gdbarch_call_dummy_address (current_gdbarch))
362 extern CORE_ADDR gdbarch_call_dummy_start_offset (struct gdbarch *gdbarch);
363 extern void set_gdbarch_call_dummy_start_offset (struct gdbarch *gdbarch, CORE_ADDR call_dummy_start_offset);
365 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_START_OFFSET)
366 #define CALL_DUMMY_START_OFFSET (gdbarch_call_dummy_start_offset (current_gdbarch))
370 extern CORE_ADDR gdbarch_call_dummy_breakpoint_offset (struct gdbarch *gdbarch);
371 extern void set_gdbarch_call_dummy_breakpoint_offset (struct gdbarch *gdbarch, CORE_ADDR call_dummy_breakpoint_offset);
373 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET)
374 #define CALL_DUMMY_BREAKPOINT_OFFSET (gdbarch_call_dummy_breakpoint_offset (current_gdbarch))
378 extern int gdbarch_call_dummy_breakpoint_offset_p (struct gdbarch *gdbarch);
379 extern void set_gdbarch_call_dummy_breakpoint_offset_p (struct gdbarch *gdbarch, int call_dummy_breakpoint_offset_p);
381 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
382 #define CALL_DUMMY_BREAKPOINT_OFFSET_P (gdbarch_call_dummy_breakpoint_offset_p (current_gdbarch))
386 extern int gdbarch_call_dummy_length (struct gdbarch *gdbarch);
387 extern void set_gdbarch_call_dummy_length (struct gdbarch *gdbarch, int call_dummy_length);
389 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_LENGTH)
390 #define CALL_DUMMY_LENGTH (gdbarch_call_dummy_length (current_gdbarch))
394 typedef int (gdbarch_pc_in_call_dummy_ftype) (CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address);
395 extern int gdbarch_pc_in_call_dummy (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address);
396 extern void set_gdbarch_pc_in_call_dummy (struct gdbarch *gdbarch, gdbarch_pc_in_call_dummy_ftype *pc_in_call_dummy);
398 #if (GDB_MULTI_ARCH > 1) || !defined (PC_IN_CALL_DUMMY)
399 #define PC_IN_CALL_DUMMY(pc, sp, frame_address) (gdbarch_pc_in_call_dummy (current_gdbarch, pc, sp, frame_address))
403 extern int gdbarch_call_dummy_p (struct gdbarch *gdbarch);
404 extern void set_gdbarch_call_dummy_p (struct gdbarch *gdbarch, int call_dummy_p);
406 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_P)
407 #define CALL_DUMMY_P (gdbarch_call_dummy_p (current_gdbarch))
411 extern LONGEST * gdbarch_call_dummy_words (struct gdbarch *gdbarch);
412 extern void set_gdbarch_call_dummy_words (struct gdbarch *gdbarch, LONGEST * call_dummy_words);
414 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_WORDS)
415 #define CALL_DUMMY_WORDS (gdbarch_call_dummy_words (current_gdbarch))
419 extern int gdbarch_sizeof_call_dummy_words (struct gdbarch *gdbarch);
420 extern void set_gdbarch_sizeof_call_dummy_words (struct gdbarch *gdbarch, int sizeof_call_dummy_words);
422 #if (GDB_MULTI_ARCH > 1) || !defined (SIZEOF_CALL_DUMMY_WORDS)
423 #define SIZEOF_CALL_DUMMY_WORDS (gdbarch_sizeof_call_dummy_words (current_gdbarch))
427 extern int gdbarch_call_dummy_stack_adjust_p (struct gdbarch *gdbarch);
428 extern void set_gdbarch_call_dummy_stack_adjust_p (struct gdbarch *gdbarch, int call_dummy_stack_adjust_p);
430 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_STACK_ADJUST_P)
431 #define CALL_DUMMY_STACK_ADJUST_P (gdbarch_call_dummy_stack_adjust_p (current_gdbarch))
435 extern int gdbarch_call_dummy_stack_adjust (struct gdbarch *gdbarch);
436 extern void set_gdbarch_call_dummy_stack_adjust (struct gdbarch *gdbarch, int call_dummy_stack_adjust);
438 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_STACK_ADJUST)
439 #define CALL_DUMMY_STACK_ADJUST (gdbarch_call_dummy_stack_adjust (current_gdbarch))
443 typedef void (gdbarch_fix_call_dummy_ftype) (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, struct value **args, struct type *type, int gcc_p);
444 extern void gdbarch_fix_call_dummy (struct gdbarch *gdbarch, char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, struct value **args, struct type *type, int gcc_p);
445 extern void set_gdbarch_fix_call_dummy (struct gdbarch *gdbarch, gdbarch_fix_call_dummy_ftype *fix_call_dummy);
447 #if (GDB_MULTI_ARCH > 1) || !defined (FIX_CALL_DUMMY)
448 #define FIX_CALL_DUMMY(dummy, pc, fun, nargs, args, type, gcc_p) (gdbarch_fix_call_dummy (current_gdbarch, dummy, pc, fun, nargs, args, type, gcc_p))
452 extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch);
453 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion);
455 #if (GDB_MULTI_ARCH > 1) || !defined (BELIEVE_PCC_PROMOTION)
456 #define BELIEVE_PCC_PROMOTION (gdbarch_believe_pcc_promotion (current_gdbarch))
460 extern int gdbarch_believe_pcc_promotion_type (struct gdbarch *gdbarch);
461 extern void set_gdbarch_believe_pcc_promotion_type (struct gdbarch *gdbarch, int believe_pcc_promotion_type);
463 #if (GDB_MULTI_ARCH > 1) || !defined (BELIEVE_PCC_PROMOTION_TYPE)
464 #define BELIEVE_PCC_PROMOTION_TYPE (gdbarch_believe_pcc_promotion_type (current_gdbarch))
468 typedef int (gdbarch_coerce_float_to_double_ftype) (struct type *formal, struct type *actual);
469 extern int gdbarch_coerce_float_to_double (struct gdbarch *gdbarch, struct type *formal, struct type *actual);
470 extern void set_gdbarch_coerce_float_to_double (struct gdbarch *gdbarch, gdbarch_coerce_float_to_double_ftype *coerce_float_to_double);
472 #if (GDB_MULTI_ARCH > 1) || !defined (COERCE_FLOAT_TO_DOUBLE)
473 #define COERCE_FLOAT_TO_DOUBLE(formal, actual) (gdbarch_coerce_float_to_double (current_gdbarch, formal, actual))
477 typedef void (gdbarch_get_saved_register_ftype) (char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval);
478 extern void gdbarch_get_saved_register (struct gdbarch *gdbarch, char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval);
479 extern void set_gdbarch_get_saved_register (struct gdbarch *gdbarch, gdbarch_get_saved_register_ftype *get_saved_register);
481 #if (GDB_MULTI_ARCH > 1) || !defined (GET_SAVED_REGISTER)
482 #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) (gdbarch_get_saved_register (current_gdbarch, raw_buffer, optimized, addrp, frame, regnum, lval))
486 typedef int (gdbarch_register_convertible_ftype) (int nr);
487 extern int gdbarch_register_convertible (struct gdbarch *gdbarch, int nr);
488 extern void set_gdbarch_register_convertible (struct gdbarch *gdbarch, gdbarch_register_convertible_ftype *register_convertible);
490 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_CONVERTIBLE)
491 #define REGISTER_CONVERTIBLE(nr) (gdbarch_register_convertible (current_gdbarch, nr))
495 typedef void (gdbarch_register_convert_to_virtual_ftype) (int regnum, struct type *type, char *from, char *to);
496 extern void gdbarch_register_convert_to_virtual (struct gdbarch *gdbarch, int regnum, struct type *type, char *from, char *to);
497 extern void set_gdbarch_register_convert_to_virtual (struct gdbarch *gdbarch, gdbarch_register_convert_to_virtual_ftype *register_convert_to_virtual);
499 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_CONVERT_TO_VIRTUAL)
500 #define REGISTER_CONVERT_TO_VIRTUAL(regnum, type, from, to) (gdbarch_register_convert_to_virtual (current_gdbarch, regnum, type, from, to))
504 typedef void (gdbarch_register_convert_to_raw_ftype) (struct type *type, int regnum, char *from, char *to);
505 extern void gdbarch_register_convert_to_raw (struct gdbarch *gdbarch, struct type *type, int regnum, char *from, char *to);
506 extern void set_gdbarch_register_convert_to_raw (struct gdbarch *gdbarch, gdbarch_register_convert_to_raw_ftype *register_convert_to_raw);
508 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_CONVERT_TO_RAW)
509 #define REGISTER_CONVERT_TO_RAW(type, regnum, from, to) (gdbarch_register_convert_to_raw (current_gdbarch, type, regnum, from, to))
513 typedef void (gdbarch_extract_return_value_ftype) (struct type *type, char *regbuf, char *valbuf);
514 extern void gdbarch_extract_return_value (struct gdbarch *gdbarch, struct type *type, char *regbuf, char *valbuf);
515 extern void set_gdbarch_extract_return_value (struct gdbarch *gdbarch, gdbarch_extract_return_value_ftype *extract_return_value);
517 #if (GDB_MULTI_ARCH > 1) || !defined (EXTRACT_RETURN_VALUE)
518 #define EXTRACT_RETURN_VALUE(type, regbuf, valbuf) (gdbarch_extract_return_value (current_gdbarch, type, regbuf, valbuf))
522 typedef CORE_ADDR (gdbarch_push_arguments_ftype) (int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr);
523 extern CORE_ADDR gdbarch_push_arguments (struct gdbarch *gdbarch, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr);
524 extern void set_gdbarch_push_arguments (struct gdbarch *gdbarch, gdbarch_push_arguments_ftype *push_arguments);
526 #if (GDB_MULTI_ARCH > 1) || !defined (PUSH_ARGUMENTS)
527 #define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) (gdbarch_push_arguments (current_gdbarch, nargs, args, sp, struct_return, struct_addr))
531 typedef void (gdbarch_push_dummy_frame_ftype) (void);
532 extern void gdbarch_push_dummy_frame (struct gdbarch *gdbarch);
533 extern void set_gdbarch_push_dummy_frame (struct gdbarch *gdbarch, gdbarch_push_dummy_frame_ftype *push_dummy_frame);
535 #if (GDB_MULTI_ARCH > 1) || !defined (PUSH_DUMMY_FRAME)
536 #define PUSH_DUMMY_FRAME (gdbarch_push_dummy_frame (current_gdbarch))
540 typedef CORE_ADDR (gdbarch_push_return_address_ftype) (CORE_ADDR pc, CORE_ADDR sp);
541 extern CORE_ADDR gdbarch_push_return_address (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR sp);
542 extern void set_gdbarch_push_return_address (struct gdbarch *gdbarch, gdbarch_push_return_address_ftype *push_return_address);
544 #if (GDB_MULTI_ARCH > 1) || !defined (PUSH_RETURN_ADDRESS)
545 #define PUSH_RETURN_ADDRESS(pc, sp) (gdbarch_push_return_address (current_gdbarch, pc, sp))
549 typedef void (gdbarch_pop_frame_ftype) (void);
550 extern void gdbarch_pop_frame (struct gdbarch *gdbarch);
551 extern void set_gdbarch_pop_frame (struct gdbarch *gdbarch, gdbarch_pop_frame_ftype *pop_frame);
553 #if (GDB_MULTI_ARCH > 1) || !defined (POP_FRAME)
554 #define POP_FRAME (gdbarch_pop_frame (current_gdbarch))
558 typedef CORE_ADDR (gdbarch_d10v_make_daddr_ftype) (CORE_ADDR x);
559 extern CORE_ADDR gdbarch_d10v_make_daddr (struct gdbarch *gdbarch, CORE_ADDR x);
560 extern void set_gdbarch_d10v_make_daddr (struct gdbarch *gdbarch, gdbarch_d10v_make_daddr_ftype *d10v_make_daddr);
562 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_MAKE_DADDR)
563 #define D10V_MAKE_DADDR(x) (gdbarch_d10v_make_daddr (current_gdbarch, x))
567 typedef CORE_ADDR (gdbarch_d10v_make_iaddr_ftype) (CORE_ADDR x);
568 extern CORE_ADDR gdbarch_d10v_make_iaddr (struct gdbarch *gdbarch, CORE_ADDR x);
569 extern void set_gdbarch_d10v_make_iaddr (struct gdbarch *gdbarch, gdbarch_d10v_make_iaddr_ftype *d10v_make_iaddr);
571 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_MAKE_IADDR)
572 #define D10V_MAKE_IADDR(x) (gdbarch_d10v_make_iaddr (current_gdbarch, x))
576 typedef int (gdbarch_d10v_daddr_p_ftype) (CORE_ADDR x);
577 extern int gdbarch_d10v_daddr_p (struct gdbarch *gdbarch, CORE_ADDR x);
578 extern void set_gdbarch_d10v_daddr_p (struct gdbarch *gdbarch, gdbarch_d10v_daddr_p_ftype *d10v_daddr_p);
580 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_DADDR_P)
581 #define D10V_DADDR_P(x) (gdbarch_d10v_daddr_p (current_gdbarch, x))
585 typedef int (gdbarch_d10v_iaddr_p_ftype) (CORE_ADDR x);
586 extern int gdbarch_d10v_iaddr_p (struct gdbarch *gdbarch, CORE_ADDR x);
587 extern void set_gdbarch_d10v_iaddr_p (struct gdbarch *gdbarch, gdbarch_d10v_iaddr_p_ftype *d10v_iaddr_p);
589 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_IADDR_P)
590 #define D10V_IADDR_P(x) (gdbarch_d10v_iaddr_p (current_gdbarch, x))
594 typedef CORE_ADDR (gdbarch_d10v_convert_daddr_to_raw_ftype) (CORE_ADDR x);
595 extern CORE_ADDR gdbarch_d10v_convert_daddr_to_raw (struct gdbarch *gdbarch, CORE_ADDR x);
596 extern void set_gdbarch_d10v_convert_daddr_to_raw (struct gdbarch *gdbarch, gdbarch_d10v_convert_daddr_to_raw_ftype *d10v_convert_daddr_to_raw);
598 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_CONVERT_DADDR_TO_RAW)
599 #define D10V_CONVERT_DADDR_TO_RAW(x) (gdbarch_d10v_convert_daddr_to_raw (current_gdbarch, x))
603 typedef CORE_ADDR (gdbarch_d10v_convert_iaddr_to_raw_ftype) (CORE_ADDR x);
604 extern CORE_ADDR gdbarch_d10v_convert_iaddr_to_raw (struct gdbarch *gdbarch, CORE_ADDR x);
605 extern void set_gdbarch_d10v_convert_iaddr_to_raw (struct gdbarch *gdbarch, gdbarch_d10v_convert_iaddr_to_raw_ftype *d10v_convert_iaddr_to_raw);
607 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_CONVERT_IADDR_TO_RAW)
608 #define D10V_CONVERT_IADDR_TO_RAW(x) (gdbarch_d10v_convert_iaddr_to_raw (current_gdbarch, x))
612 typedef void (gdbarch_store_struct_return_ftype) (CORE_ADDR addr, CORE_ADDR sp);
613 extern void gdbarch_store_struct_return (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR sp);
614 extern void set_gdbarch_store_struct_return (struct gdbarch *gdbarch, gdbarch_store_struct_return_ftype *store_struct_return);
616 #if (GDB_MULTI_ARCH > 1) || !defined (STORE_STRUCT_RETURN)
617 #define STORE_STRUCT_RETURN(addr, sp) (gdbarch_store_struct_return (current_gdbarch, addr, sp))
621 typedef void (gdbarch_store_return_value_ftype) (struct type *type, char *valbuf);
622 extern void gdbarch_store_return_value (struct gdbarch *gdbarch, struct type *type, char *valbuf);
623 extern void set_gdbarch_store_return_value (struct gdbarch *gdbarch, gdbarch_store_return_value_ftype *store_return_value);
625 #if (GDB_MULTI_ARCH > 1) || !defined (STORE_RETURN_VALUE)
626 #define STORE_RETURN_VALUE(type, valbuf) (gdbarch_store_return_value (current_gdbarch, type, valbuf))
630 typedef CORE_ADDR (gdbarch_extract_struct_value_address_ftype) (char *regbuf);
631 extern CORE_ADDR gdbarch_extract_struct_value_address (struct gdbarch *gdbarch, char *regbuf);
632 extern void set_gdbarch_extract_struct_value_address (struct gdbarch *gdbarch, gdbarch_extract_struct_value_address_ftype *extract_struct_value_address);
634 #if (GDB_MULTI_ARCH > 1) || !defined (EXTRACT_STRUCT_VALUE_ADDRESS)
635 #define EXTRACT_STRUCT_VALUE_ADDRESS(regbuf) (gdbarch_extract_struct_value_address (current_gdbarch, regbuf))
639 typedef int (gdbarch_use_struct_convention_ftype) (int gcc_p, struct type *value_type);
640 extern int gdbarch_use_struct_convention (struct gdbarch *gdbarch, int gcc_p, struct type *value_type);
641 extern void set_gdbarch_use_struct_convention (struct gdbarch *gdbarch, gdbarch_use_struct_convention_ftype *use_struct_convention);
643 #if (GDB_MULTI_ARCH > 1) || !defined (USE_STRUCT_CONVENTION)
644 #define USE_STRUCT_CONVENTION(gcc_p, value_type) (gdbarch_use_struct_convention (current_gdbarch, gcc_p, value_type))
648 typedef void (gdbarch_frame_init_saved_regs_ftype) (struct frame_info *frame);
649 extern void gdbarch_frame_init_saved_regs (struct gdbarch *gdbarch, struct frame_info *frame);
650 extern void set_gdbarch_frame_init_saved_regs (struct gdbarch *gdbarch, gdbarch_frame_init_saved_regs_ftype *frame_init_saved_regs);
652 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_INIT_SAVED_REGS)
653 #define FRAME_INIT_SAVED_REGS(frame) (gdbarch_frame_init_saved_regs (current_gdbarch, frame))
657 typedef void (gdbarch_init_extra_frame_info_ftype) (int fromleaf, struct frame_info *frame);
658 extern void gdbarch_init_extra_frame_info (struct gdbarch *gdbarch, int fromleaf, struct frame_info *frame);
659 extern void set_gdbarch_init_extra_frame_info (struct gdbarch *gdbarch, gdbarch_init_extra_frame_info_ftype *init_extra_frame_info);
661 #if (GDB_MULTI_ARCH > 1) || !defined (INIT_EXTRA_FRAME_INFO)
662 #define INIT_EXTRA_FRAME_INFO(fromleaf, frame) (gdbarch_init_extra_frame_info (current_gdbarch, fromleaf, frame))
666 typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (CORE_ADDR ip);
667 extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
668 extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue);
670 #if (GDB_MULTI_ARCH > 1) || !defined (SKIP_PROLOGUE)
671 #define SKIP_PROLOGUE(ip) (gdbarch_skip_prologue (current_gdbarch, ip))
675 typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs);
676 extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs);
677 extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than);
679 #if (GDB_MULTI_ARCH > 1) || !defined (INNER_THAN)
680 #define INNER_THAN(lhs, rhs) (gdbarch_inner_than (current_gdbarch, lhs, rhs))
684 typedef unsigned char * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr);
685 extern unsigned char * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
686 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
688 #if (GDB_MULTI_ARCH > 1) || !defined (BREAKPOINT_FROM_PC)
689 #define BREAKPOINT_FROM_PC(pcptr, lenptr) (gdbarch_breakpoint_from_pc (current_gdbarch, pcptr, lenptr))
693 typedef int (gdbarch_memory_insert_breakpoint_ftype) (CORE_ADDR addr, char *contents_cache);
694 extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, CORE_ADDR addr, char *contents_cache);
695 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint);
697 #if (GDB_MULTI_ARCH > 1) || !defined (MEMORY_INSERT_BREAKPOINT)
698 #define MEMORY_INSERT_BREAKPOINT(addr, contents_cache) (gdbarch_memory_insert_breakpoint (current_gdbarch, addr, contents_cache))
702 typedef int (gdbarch_memory_remove_breakpoint_ftype) (CORE_ADDR addr, char *contents_cache);
703 extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, CORE_ADDR addr, char *contents_cache);
704 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint);
706 #if (GDB_MULTI_ARCH > 1) || !defined (MEMORY_REMOVE_BREAKPOINT)
707 #define MEMORY_REMOVE_BREAKPOINT(addr, contents_cache) (gdbarch_memory_remove_breakpoint (current_gdbarch, addr, contents_cache))
711 extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch);
712 extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break);
714 #if (GDB_MULTI_ARCH > 1) || !defined (DECR_PC_AFTER_BREAK)
715 #define DECR_PC_AFTER_BREAK (gdbarch_decr_pc_after_break (current_gdbarch))
719 extern CORE_ADDR gdbarch_function_start_offset (struct gdbarch *gdbarch);
720 extern void set_gdbarch_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR function_start_offset);
722 #if (GDB_MULTI_ARCH > 1) || !defined (FUNCTION_START_OFFSET)
723 #define FUNCTION_START_OFFSET (gdbarch_function_start_offset (current_gdbarch))
727 typedef void (gdbarch_remote_translate_xfer_address_ftype) (CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len);
728 extern void gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len);
729 extern void set_gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, gdbarch_remote_translate_xfer_address_ftype *remote_translate_xfer_address);
731 #if (GDB_MULTI_ARCH > 1) || !defined (REMOTE_TRANSLATE_XFER_ADDRESS)
732 #define REMOTE_TRANSLATE_XFER_ADDRESS(gdb_addr, gdb_len, rem_addr, rem_len) (gdbarch_remote_translate_xfer_address (current_gdbarch, gdb_addr, gdb_len, rem_addr, rem_len))
736 extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch);
737 extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip);
739 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_ARGS_SKIP)
740 #define FRAME_ARGS_SKIP (gdbarch_frame_args_skip (current_gdbarch))
744 typedef int (gdbarch_frameless_function_invocation_ftype) (struct frame_info *fi);
745 extern int gdbarch_frameless_function_invocation (struct gdbarch *gdbarch, struct frame_info *fi);
746 extern void set_gdbarch_frameless_function_invocation (struct gdbarch *gdbarch, gdbarch_frameless_function_invocation_ftype *frameless_function_invocation);
748 #if (GDB_MULTI_ARCH > 1) || !defined (FRAMELESS_FUNCTION_INVOCATION)
749 #define FRAMELESS_FUNCTION_INVOCATION(fi) (gdbarch_frameless_function_invocation (current_gdbarch, fi))
753 typedef CORE_ADDR (gdbarch_frame_chain_ftype) (struct frame_info *frame);
754 extern CORE_ADDR gdbarch_frame_chain (struct gdbarch *gdbarch, struct frame_info *frame);
755 extern void set_gdbarch_frame_chain (struct gdbarch *gdbarch, gdbarch_frame_chain_ftype *frame_chain);
757 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_CHAIN)
758 #define FRAME_CHAIN(frame) (gdbarch_frame_chain (current_gdbarch, frame))
762 typedef int (gdbarch_frame_chain_valid_ftype) (CORE_ADDR chain, struct frame_info *thisframe);
763 extern int gdbarch_frame_chain_valid (struct gdbarch *gdbarch, CORE_ADDR chain, struct frame_info *thisframe);
764 extern void set_gdbarch_frame_chain_valid (struct gdbarch *gdbarch, gdbarch_frame_chain_valid_ftype *frame_chain_valid);
766 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_CHAIN_VALID)
767 #define FRAME_CHAIN_VALID(chain, thisframe) (gdbarch_frame_chain_valid (current_gdbarch, chain, thisframe))
771 typedef CORE_ADDR (gdbarch_frame_saved_pc_ftype) (struct frame_info *fi);
772 extern CORE_ADDR gdbarch_frame_saved_pc (struct gdbarch *gdbarch, struct frame_info *fi);
773 extern void set_gdbarch_frame_saved_pc (struct gdbarch *gdbarch, gdbarch_frame_saved_pc_ftype *frame_saved_pc);
775 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_SAVED_PC)
776 #define FRAME_SAVED_PC(fi) (gdbarch_frame_saved_pc (current_gdbarch, fi))
780 typedef CORE_ADDR (gdbarch_frame_args_address_ftype) (struct frame_info *fi);
781 extern CORE_ADDR gdbarch_frame_args_address (struct gdbarch *gdbarch, struct frame_info *fi);
782 extern void set_gdbarch_frame_args_address (struct gdbarch *gdbarch, gdbarch_frame_args_address_ftype *frame_args_address);
784 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_ARGS_ADDRESS)
785 #define FRAME_ARGS_ADDRESS(fi) (gdbarch_frame_args_address (current_gdbarch, fi))
789 typedef CORE_ADDR (gdbarch_frame_locals_address_ftype) (struct frame_info *fi);
790 extern CORE_ADDR gdbarch_frame_locals_address (struct gdbarch *gdbarch, struct frame_info *fi);
791 extern void set_gdbarch_frame_locals_address (struct gdbarch *gdbarch, gdbarch_frame_locals_address_ftype *frame_locals_address);
793 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_LOCALS_ADDRESS)
794 #define FRAME_LOCALS_ADDRESS(fi) (gdbarch_frame_locals_address (current_gdbarch, fi))
798 typedef CORE_ADDR (gdbarch_saved_pc_after_call_ftype) (struct frame_info *frame);
799 extern CORE_ADDR gdbarch_saved_pc_after_call (struct gdbarch *gdbarch, struct frame_info *frame);
800 extern void set_gdbarch_saved_pc_after_call (struct gdbarch *gdbarch, gdbarch_saved_pc_after_call_ftype *saved_pc_after_call);
802 #if (GDB_MULTI_ARCH > 1) || !defined (SAVED_PC_AFTER_CALL)
803 #define SAVED_PC_AFTER_CALL(frame) (gdbarch_saved_pc_after_call (current_gdbarch, frame))
807 typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame);
808 extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame);
809 extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args);
811 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_NUM_ARGS)
812 #define FRAME_NUM_ARGS(frame) (gdbarch_frame_num_args (current_gdbarch, frame))
816 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
819 /* Mechanism for co-ordinating the selection of a specific
822 GDB targets (*-tdep.c) can register an interest in a specific
823 architecture. Other GDB components can register a need to maintain
824 per-architecture data.
826 The mechanisms below ensures that there is only a loose connection
827 between the set-architecture command and the various GDB
828 components. Each component can independantly register their need
829 to maintain architecture specific data with gdbarch.
833 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
836 The more traditional mega-struct containing architecture specific
837 data for all the various GDB components was also considered. Since
838 GDB is built from a variable number of (fairly independant)
839 components it was determined that the global aproach was not
843 /* Register a new architectural family with GDB.
845 Register support for the specified ARCHITECTURE with GDB. When
846 gdbarch determines that the specified architecture has been
847 selected, the corresponding INIT function is called.
851 The INIT function takes two parameters: INFO which contains the
852 information available to gdbarch about the (possibly new)
853 architecture; ARCHES which is a list of the previously created
854 ``struct gdbarch'' for this architecture.
856 The INIT function parameter INFO shall, as far as possible, be
857 pre-initialized with information obtained from INFO.ABFD or
858 previously selected architecture (if similar). INIT shall ensure
859 that the INFO.BYTE_ORDER is non-zero.
861 The INIT function shall return any of: NULL - indicating that it
862 doesn't reconize the selected architecture; an existing ``struct
863 gdbarch'' from the ARCHES list - indicating that the new
864 architecture is just a synonym for an earlier architecture (see
865 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
866 - that describes the selected architecture (see
871 struct gdbarch *gdbarch;
872 struct gdbarch_list *next;
877 /* Use default: bfd_arch_unknown (ZERO). */
878 enum bfd_architecture bfd_architecture;
880 /* Use default: NULL (ZERO). */
881 const struct bfd_arch_info *bfd_arch_info;
883 /* Use default: 0 (ZERO). */
886 /* Use default: NULL (ZERO). */
889 /* Use default: NULL (ZERO). */
890 struct gdbarch_tdep_info *tdep_info;
893 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
895 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
898 /* Helper function. Search the list of ARCHES for a GDBARCH that
899 matches the information provided by INFO. */
901 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
904 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
905 basic initialization using values obtained from the INFO andTDEP
906 parameters. set_gdbarch_*() functions are called to complete the
907 initialization of the object. */
909 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
912 /* Helper function. Force an update of the current architecture. Used
913 by legacy targets that have added their own target specific
914 architecture manipulation commands.
916 The INFO parameter shall be fully initialized (``memset (&INFO,
917 sizeof (info), 0)'' set relevant fields) before gdbarch_update() is
918 called. gdbarch_update() shall initialize any ``default'' fields
919 using information obtained from the previous architecture or
920 INFO.ABFD (if specified) before calling the corresponding
921 architectures INIT function. */
923 extern int gdbarch_update (struct gdbarch_info info);
927 /* Register per-architecture data-pointer.
929 Reserve space for a per-architecture data-pointer. An identifier
930 for the reserved data-pointer is returned. That identifer should
931 be saved in a local static.
933 When a new architecture is selected, INIT() is called. When a
934 previous architecture is re-selected, the per-architecture
935 data-pointer for that previous architecture is restored (INIT() is
938 INIT() shall return the initial value for the per-architecture
939 data-pointer for the current architecture.
941 Multiple registrarants for any architecture are allowed (and
942 strongly encouraged). */
944 typedef void *(gdbarch_data_ftype) (void);
945 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_ftype *init);
947 /* Return the value of the per-architecture data-pointer for the
948 current architecture. */
950 extern void *gdbarch_data (struct gdbarch_data*);
954 /* Register per-architecture memory region.
956 Provide a memory-region swap mechanism. Per-architecture memory
957 region are created. These memory regions are swapped whenever the
958 architecture is changed. For a new architecture, the memory region
959 is initialized with zero (0) and the INIT function is called.
961 Memory regions are swapped / initialized in the order that they are
962 registered. NULL DATA and/or INIT values can be specified.
964 New code should use register_gdbarch_data(). */
966 typedef void (gdbarch_swap_ftype) (void);
967 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
968 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
972 /* The target-system-dependant byte order is dynamic */
974 /* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness
975 is selectable at runtime. The user can use the ``set endian''
976 command to change it. TARGET_BYTE_ORDER_AUTO is nonzero when
977 target_byte_order should be auto-detected (from the program image
981 /* Multi-arch GDB is always bi-endian. */
982 #define TARGET_BYTE_ORDER_SELECTABLE_P 1
985 #ifndef TARGET_BYTE_ORDER_SELECTABLE_P
986 /* compat - Catch old targets that define TARGET_BYTE_ORDER_SLECTABLE
987 when they should have defined TARGET_BYTE_ORDER_SELECTABLE_P 1 */
988 #ifdef TARGET_BYTE_ORDER_SELECTABLE
989 #define TARGET_BYTE_ORDER_SELECTABLE_P 1
991 #define TARGET_BYTE_ORDER_SELECTABLE_P 0
995 extern int target_byte_order;
996 #ifdef TARGET_BYTE_ORDER_SELECTABLE
997 /* compat - Catch old targets that define TARGET_BYTE_ORDER_SELECTABLE
998 and expect defs.h to re-define TARGET_BYTE_ORDER. */
999 #undef TARGET_BYTE_ORDER
1001 #ifndef TARGET_BYTE_ORDER
1002 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1005 extern int target_byte_order_auto;
1006 #ifndef TARGET_BYTE_ORDER_AUTO
1007 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1012 /* The target-system-dependant BFD architecture is dynamic */
1014 extern int target_architecture_auto;
1015 #ifndef TARGET_ARCHITECTURE_AUTO
1016 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1019 extern const struct bfd_arch_info *target_architecture;
1020 #ifndef TARGET_ARCHITECTURE
1021 #define TARGET_ARCHITECTURE (target_architecture + 0)
1024 /* Notify the target dependant backend of a change to the selected
1025 architecture. A zero return status indicates that the target did
1026 not like the change. */
1028 extern int (*target_architecture_hook) (const struct bfd_arch_info *);
1032 /* The target-system-dependant disassembler is semi-dynamic */
1034 #include "dis-asm.h" /* Get defs for disassemble_info */
1036 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1037 unsigned int len, disassemble_info *info);
1039 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1040 disassemble_info *info);
1042 extern void dis_asm_print_address (bfd_vma addr,
1043 disassemble_info *info);
1045 extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
1046 extern disassemble_info tm_print_insn_info;
1047 #ifndef TARGET_PRINT_INSN
1048 #define TARGET_PRINT_INSN(vma, info) (*tm_print_insn) (vma, info)
1050 #ifndef TARGET_PRINT_INSN_INFO
1051 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1056 /* Explicit test for D10V architecture.
1057 USE of these macro's is *STRONGLY* discouraged. */
1059 #define GDB_TARGET_IS_D10V (TARGET_ARCHITECTURE->arch == bfd_arch_d10v)
1060 #ifndef D10V_MAKE_DADDR
1061 #define D10V_MAKE_DADDR(X) (internal_error ("gdbarch: D10V_MAKE_DADDR"), 0)
1063 #ifndef D10V_MAKE_IADDR
1064 #define D10V_MAKE_IADDR(X) (internal_error ("gdbarch: D10V_MAKE_IADDR"), 0)
1068 /* Fallback definition of FRAMELESS_FUNCTION_INVOCATION */
1069 #ifndef FRAMELESS_FUNCTION_INVOCATION
1070 #define FRAMELESS_FUNCTION_INVOCATION(FI) (0)
1074 /* Fallback definition of REGISTER_CONVERTIBLE etc */
1075 extern int generic_register_convertible_not (int reg_nr);
1076 #ifndef REGISTER_CONVERTIBLE
1077 #define REGISTER_CONVERTIBLE(x) (0)
1079 #ifndef REGISTER_CONVERT_TO_VIRTUAL
1080 #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a)
1082 #ifndef REGISTER_CONVERT_TO_RAW
1083 #define REGISTER_CONVERT_TO_RAW(x, y, z, a)
1087 /* Fallback definition for EXTRACT_STRUCT_VALUE_ADDRESS */
1088 #ifndef EXTRACT_STRUCT_VALUE_ADDRESS
1089 #define EXTRACT_STRUCT_VALUE_ADDRESS_P (0)
1090 #define EXTRACT_STRUCT_VALUE_ADDRESS(X) (internal_error ("gdbarch: EXTRACT_STRUCT_VALUE_ADDRESS"), 0)
1092 #ifndef EXTRACT_STRUCT_VALUE_ADDRESS_P
1093 #define EXTRACT_STRUCT_VALUE_ADDRESS_P (1)
1098 /* Fallback definition for REGISTER_NAME for systems still defining
1100 #ifndef REGISTER_NAME
1101 extern char *gdb_register_names[];
1102 #define REGISTER_NAME(i) gdb_register_names[i]
1106 /* Set the dynamic target-system-dependant parameters (architecture,
1107 byte-order, ...) using information found in the BFD */
1109 extern void set_gdbarch_from_file (bfd *);
1112 /* Explicitly set the dynamic target-system-dependant parameters based
1113 on bfd_architecture and machine. */
1115 extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long);
1118 /* Initialize the current architecture to the "first" one we find on
1121 extern void initialize_current_architecture (void);
1123 /* Helper function for targets that don't know how my arguments are
1126 extern int frame_num_args_unknown (struct frame_info *fi);
1129 /* gdbarch trace variable */
1130 extern int gdbarch_debug;
1132 extern void gdbarch_dump (void);